In this animated and interactive object, the learner uses a TI-86 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.

The learner solves for Zin(base), Zin(stage), Zout, and Av. A "help" screen is available.

In this animated object, learners examine how the heating or cooling steps in a manufacturing process work to control a chemical reaction.

In this animated object, learners examine how to find the center of gravity of a steel rod and of a two-dimensional shape.

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

Students read about the concept of unit weight relating to the 3-phase diagram and perform calculations.

Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.

Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.

bingo game

In this learning activity, you'll practice converting between common decimal and fraction equivalents in US standard units.

რიცხვების შედარება; ოცეული,ათეული,ერთეული.

You'll practice converting between units of measure for area in the English Measurement System.